Segment Information - Summary of Disaggregation of Revenue (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Disaggregation of Revenue [Line Items]
Revenues	$ 41,564	$ 36,753
iAnthus branded products
Disaggregation of Revenue [Line Items]
Revenues	21,201	20,919
Third party branded products
Disaggregation of Revenue [Line Items]
Revenues	15,868	13,678
Wholesale/bulk/other products
Disaggregation of Revenue [Line Items]
Revenues	$ 4,495	$ 2,156